subversion UK /sʌbˈvɜː.ʃən/US /sʌ̈bˈvɝ.ʒən/noun 4/ˈsʌbˌvɝ.ʒən/ noun 1forms 1 noun4 •The act of overthrowing a government or a ruler; dethronement. •The condition of being subverted. •A systematic attempt to overthrow a government by working from within; undermining. •(no longer used) The act of subverting; overturning; flipping from beneath. subversion UK /ˈsʌbˌvɜː.ʒən/US /ˈsʌbˌvɝ.ʒən/ noun1 •A revision considered more similar to preceding subversions than a revision deemed a new "version" is to preceding versions. formssubversions